EP2686978A4 - Keyed pv signatures - Google Patents
Keyed pv signaturesInfo
- Publication number
- EP2686978A4 EP2686978A4 EP11861544.2A EP11861544A EP2686978A4 EP 2686978 A4 EP2686978 A4 EP 2686978A4 EP 11861544 A EP11861544 A EP 11861544A EP 2686978 A4 EP2686978 A4 EP 2686978A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- signatures
- keyed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
- H04L9/3252—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3218—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Computing Systems (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161454445P | 2011-03-18 | 2011-03-18 | |
PCT/CA2011/050506 WO2012126085A1 (en) | 2011-03-18 | 2011-08-19 | Keyed pv signatures |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2686978A1 EP2686978A1 (en) | 2014-01-22 |
EP2686978A4 true EP2686978A4 (en) | 2014-12-24 |
EP2686978B1 EP2686978B1 (en) | 2017-03-15 |
Family
ID=46878566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11861544.2A Active EP2686978B1 (en) | 2011-03-18 | 2011-08-19 | Keyed pv signatures |
Country Status (5)
Country | Link |
---|---|
US (1) | US9088419B2 (en) |
EP (1) | EP2686978B1 (en) |
CN (1) | CN103444128B (en) |
CA (1) | CA2830285C (en) |
WO (1) | WO2012126085A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120008784A1 (en) * | 2010-07-08 | 2012-01-12 | Phillip Martin Hallam-Baker | Delegated Key Exchange System and Method of Operation |
EP2721766A4 (en) * | 2011-03-18 | 2015-01-28 | Certicom Corp | Secure financial transactions |
US8971528B2 (en) * | 2013-01-29 | 2015-03-03 | Certicom Corp. | Modified elliptic curve signature algorithm for message recovery |
CN103259661B (en) * | 2013-04-25 | 2016-04-27 | 河海大学 | Based on the Directed transitive signatures method of discrete logarithm |
US9852306B2 (en) * | 2013-08-05 | 2017-12-26 | International Business Machines Corporation | Conjunctive search in encrypted data |
US9646166B2 (en) | 2013-08-05 | 2017-05-09 | International Business Machines Corporation | Masking query data access pattern in encrypted data |
KR20150084221A (en) | 2014-01-13 | 2015-07-22 | 삼성전자주식회사 | Apparatus and Method for Resigning of Application Package and Terminal Apparatus for Running of the Application Package |
CN104135472B (en) * | 2014-07-14 | 2017-08-29 | 国电南瑞科技股份有限公司 | A kind of transformer station's command interaction method based on third-party authentication |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7249259B1 (en) * | 1999-09-07 | 2007-07-24 | Certicom Corp. | Hybrid signature scheme |
US20090129600A1 (en) * | 2007-11-15 | 2009-05-21 | Brickell Ernie F | Apparatus and method for a direct anonymous attestation scheme from short-group signatures |
US20090210716A1 (en) * | 2008-01-30 | 2009-08-20 | Liqun Chen | Direct anonymous attestation using bilinear maps |
US20110013771A1 (en) * | 2006-05-21 | 2011-01-20 | International Business Machines Corporation | Assertion message signatures |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100438257B1 (en) * | 1997-01-28 | 2004-07-02 | 마츠시타 덴끼 산교 가부시키가이샤 | Message reproducing type signature device |
US7346580B2 (en) * | 1998-08-13 | 2008-03-18 | International Business Machines Corporation | Method and system of preventing unauthorized rerecording of multimedia content |
US6847951B1 (en) * | 1999-03-30 | 2005-01-25 | Pitney Bowes Inc. | Method for certifying public keys used to sign postal indicia and indicia so signed |
US7360080B2 (en) * | 2000-11-03 | 2008-04-15 | International Business Machines Corporation | Non-transferable anonymous credential system with optional anonymity revocation |
US7181017B1 (en) * | 2001-03-23 | 2007-02-20 | David Felsher | System and method for secure three-party communications |
US7818792B2 (en) * | 2002-02-04 | 2010-10-19 | General Instrument Corporation | Method and system for providing third party authentication of authorization |
US7231663B2 (en) * | 2002-02-04 | 2007-06-12 | General Instrument Corporation | System and method for providing key management protocol with client verification of authorization |
US20030190046A1 (en) * | 2002-04-05 | 2003-10-09 | Kamerman Matthew Albert | Three party signing protocol providing non-linkability |
US7613660B2 (en) * | 2002-12-30 | 2009-11-03 | Pitney Bowes Inc. | System and method for mail destination address information encoding, protection and recovery in postal payment |
EP1521390B1 (en) * | 2003-10-01 | 2008-08-13 | Hewlett-Packard Development Company, L.P. | Digital signature method and apparatus |
WO2005059753A1 (en) * | 2003-12-15 | 2005-06-30 | Pitney Bowes Inc. | Method for mail address block image information encoding, protection and recovery in postal payment applications |
US20050271207A1 (en) * | 2004-06-05 | 2005-12-08 | Helmut Frey | Method and system for chaotic digital signature, encryption, and authentication |
US7730319B2 (en) * | 2004-08-27 | 2010-06-01 | Ntt Docomo, Inc. | Provisional signature schemes |
US8467535B2 (en) * | 2005-01-18 | 2013-06-18 | Certicom Corp. | Accelerated verification of digital signatures and public keys |
JP5068176B2 (en) * | 2005-01-18 | 2012-11-07 | サーティコム コーポレーション | Enhanced verification of digital signatures and public keys |
US7940927B2 (en) * | 2005-04-27 | 2011-05-10 | Panasonic Corporation | Information security device and elliptic curve operating device |
WO2007007229A1 (en) * | 2005-07-07 | 2007-01-18 | Koninklijke Philips Electronics N.V. | Method, apparatus and system for verifying authenticity of an object |
CA2669145C (en) * | 2006-11-15 | 2013-11-05 | Certicom Corp. | Implicit certificate verification |
CA2698000C (en) * | 2007-09-04 | 2015-10-27 | Certicom Corp. | Signatures with confidential message recovery |
WO2009066557A1 (en) * | 2007-11-21 | 2009-05-28 | Nec Corporation | Information communication system, organization device, and user device |
EP2151947A1 (en) * | 2008-08-05 | 2010-02-10 | Irdeto Access B.V. | Signcryption scheme based on elliptic curve cryptography |
WO2012049630A1 (en) * | 2010-10-15 | 2012-04-19 | Certicom Corp. | Authenticated encryption for digital signatures with message recovery |
CN103155481A (en) * | 2010-10-15 | 2013-06-12 | 塞尔蒂卡姆公司 | Authenticated encryption for digital signatures with message recovery |
-
2011
- 2011-08-19 WO PCT/CA2011/050506 patent/WO2012126085A1/en active Application Filing
- 2011-08-19 CA CA2830285A patent/CA2830285C/en active Active
- 2011-08-19 EP EP11861544.2A patent/EP2686978B1/en active Active
- 2011-08-19 CN CN201180069424.8A patent/CN103444128B/en active Active
-
2012
- 2012-03-16 US US13/422,941 patent/US9088419B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7249259B1 (en) * | 1999-09-07 | 2007-07-24 | Certicom Corp. | Hybrid signature scheme |
US20110013771A1 (en) * | 2006-05-21 | 2011-01-20 | International Business Machines Corporation | Assertion message signatures |
US20090129600A1 (en) * | 2007-11-15 | 2009-05-21 | Brickell Ernie F | Apparatus and method for a direct anonymous attestation scheme from short-group signatures |
US20090210716A1 (en) * | 2008-01-30 | 2009-08-20 | Liqun Chen | Direct anonymous attestation using bilinear maps |
Non-Patent Citations (1)
Title |
---|
See also references of WO2012126085A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2686978A1 (en) | 2014-01-22 |
CA2830285A1 (en) | 2012-09-27 |
CA2830285C (en) | 2016-11-08 |
CN103444128B (en) | 2017-04-05 |
US9088419B2 (en) | 2015-07-21 |
US20120239930A1 (en) | 2012-09-20 |
EP2686978B1 (en) | 2017-03-15 |
CN103444128A (en) | 2013-12-11 |
WO2012126085A1 (en) | 2012-09-27 |
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